2006 Audi A6 vs. 1991 Renault 21
To start off, 2006 Audi A6 is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Renault 21. In addition, the cost of maintenance, including insurance, on 1991 Renault 21 would be higher. At 1,984 cc (6 cylinders), 2006 Audi A6 is equipped with a bigger engine. In terms of performance, 2006 Audi A6 (168 HP) has 93 more horse power than 1991 Renault 21. (75 HP). In normal driving conditions, 2006 Audi A6 should accelerate faster than 1991 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A6 weights approximately 255 kg more than 1991 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2006 Audi A6 (280 Nm @ 1800 RPM) has 151 more torque (in Nm) than 1991 Renault 21. (129 Nm @ 3250 RPM). This means 2006 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Renault 21.
Compare all specifications:
| 2006 Audi A6 | 1991 Renault 21 | |
| Make | Audi | Renault |
| Model | A6 | 21 |
| Year Released | 2006 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1721 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 168 HP | 75 HP |
| Torque | 280 Nm | 129 Nm |
| Torque RPM | 1800 RPM | 3250 RPM |
| Engine Compression Ratio | 11.5:1 | 9.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1275 kg | 1020 kg |
| Vehicle Length | 4800 mm | 4650 mm |
| Vehicle Width | 1820 mm | 1720 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2770 mm | 2820 mm |
